m-3=2m+9

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Solution for m-3=2m+9 equation: 



m-3=2m+9

We move all terms to the left:

m-3-(2m+9)=0

We get rid of parentheses

m-2m-9-3=0

We add all the numbers together, and all the variables

-1m-12=0

We move all terms containing m to the left, all other terms to the right

-m=12

m=12/-1

m=-12

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